vtec swap?
have you ever even held a d series vtec dizzy up next to a non vtec one?? you would have to completely cut 2 of the 3 ears off the non vtec dizzy and weld em back on at the right place to make it work??it's a no go not to mention the fact that you would also have to grind half of the bottom of the non vtec dizzy off in order for it to clear?? my day is great and yes i have a d-15b jdm bottom end and d-16z6 head usdm (mini me) and if you want to do the jump from obd0 (1988-1991) to the z6 head which is obd1 wiring in years (1992-1995) to do it legit you have to buy a jumper harness from obdo to obd1 get the td-42 dizzy otherwise ur not running full vtec potential.ur prolly still only gettin 100h.p. thas why ur sayin its not worth it! vtec didnt even come out until 1992 and i would be very suprised if you even know what it stands for cause if you did you would realize that ur Ecu has direct control over ur dizzy and there is no way you could properly manage ur vtec without the correct ecu and dizzy combo!have a nice day!
I don't see why you're getting so butthurt about this...
It's not hard to make the DX distributor fit. Here's mine:

Yes, if your car is obd0, then you'd need a conversion harness. However, his is a 93, so it's obd1, and he doesn't have to worry about it.
I'm still waiting to hear about your awesome valvetrain that makes power to 8600 rpm. I'd also like to know where your 100 hp gain estimate is coming from.
It's not hard to make the DX distributor fit. Here's mine:

Yes, if your car is obd0, then you'd need a conversion harness. However, his is a 93, so it's obd1, and he doesn't have to worry about it.
I'm still waiting to hear about your awesome valvetrain that makes power to 8600 rpm. I'd also like to know where your 100 hp gain estimate is coming from.
lol! wowzers. i was wrong in the fact that i was thinking obd0 but the fact that you made a whole colony of mice chew on ur dizzy in order to make it fit is mildly disturbing!lol i'm joking. sweet man and again ur right. but with my motor combination it will turn to 8600 i promise. i am running JDM d15b with z6 head three angle valve job and extra stiff valve springs. the Ecu is a p06 chipped p28 with a base map for 450cc injectors peter from rywire ran the setup and it made close to 155 h.p. with a medium port and polish and gasket match all motor.after i install the turbo kit on 10 lbs. boost it will bring close to 250- 260 range on stock internals.and the cam and whole valve train is more than enough. i have seen people take d series motors fully built up to 10k so what rock are you living under?? why ever go b series?? more mounts more problems more b.s.! also i am in the process of a full DZ6 build to go into my 87' Si mugen and with my calculations it will make close to 300-350 h.p. on a full low compression build on 20 lbs. of boost when i say full i mean max bore after market crank,connecting rods, pistons, fully built head, max port,max valves. you add up the cost on D series full build vs. B 16 or 18 full swap mounts and harnesses build and get back to me! SOHC for life!
the camshaft merely opens the intake and exhaust valves. lift and duration are a factor i agree but on a boost motor it is more important that the valve shuts and seats not how long it stays open. besides do you even know what the function of VTEC is??? do you know what it does??? seems to me if you knew you wouldnt question. go look on u tube man check out the dyno honda engines they have that create power at the 10,000 rpm range then ask me again.
why would you waste ur money running a z6 head onna POS b7 bottom end???LOL!! you couldnt even boost those internals and hope for them to hold up!lol! i guess you did waste ur money didnt you!
look up d16z6 redline on you tube, epic tuning has a stock internal z6 motor on 28 lbs of boost making 420 h.p. go check it!! and when he turns it past 8500 rpm you can tell he is still making power all stock z6 not a ragged out pos like urs a fresh built motor on stock internals is all. gives you a good look at the engine bay but you have to pause. it can be done and is being done all the time. unfortunately alot of people think you need 2 cams to make that kinda power or fortunately for people like me.cause the build is literally half the price.why are you still on this site just go look at you tube...
VTEC just broadens the torque curve. It's nothing special.
Revving a stock z6 to 8500+ rpm is a great way to install a window in the block. Make sure you don't snap the throttle closed. Running a stock z6 making 420 horsepower is a great way to lower the compression in one or more of your cylinders.
I don't even understand the desire to rev the engine that high. If you can make the same horsepower at lower speeds, it'll be much more reliable.
Also, I'm running a b7 block because it's my daily driver. I don't need anything fancy.
Revving a stock z6 to 8500+ rpm is a great way to install a window in the block. Make sure you don't snap the throttle closed. Running a stock z6 making 420 horsepower is a great way to lower the compression in one or more of your cylinders.
I don't even understand the desire to rev the engine that high. If you can make the same horsepower at lower speeds, it'll be much more reliable.
Also, I'm running a b7 block because it's my daily driver. I don't need anything fancy.
since you didnt answer the acronym for vtec is variable valve timing and electronic control!!it does increase the torque curve i agree but how it does it is the key i will explain for you! at roughly around 4600 rpm the hydrauilc or oil pressure builds up in the cylinder head of a vtec honda if you continue to increase throttle or completely floorboard the gas petal there are 4 pins in the top girdle of the z6 head that lock a second cam lobe in place that allows the intake and exhaust valves to be opened deeper and for a longer duration.this allows for more fuel and air to get into the motor and more exhaust to leave the motor more rapidly!! it is a big deal!! it is what put honda on the map because until vtec engages you have basically a 100h.p. motor, when you push past 4600rpm its like having a 140 plus h.p. motor so basically as i say it! if you aint talkin bout vtec you aint talkin bout shit!! thats how honda gets such great fuel economy and still power to pass cars at above 4600 rpm range!! and they doooo make power to about 9k but people have turned them to 10k!!hope this clears things up for you, and the only way i know of to make 300 h.p. plus onna D series motor is turbo! dont try to boost ur d series b7 the rods are too weak! have a nice day!
I like how you're explaining this to me, even though you know I have a mini-me swap. Do you really think I'd go through the trouble of swapping heads and ECU's if I didn't know how VTEC works?
I also like how you used 17 exclamation marks in your last 12 sentences. VTEC must really get you excited.
So, since you're the leading expert, what makes VTEC so much better than other VVT technologies?
EDIT: By the way, you forgot "Lift".
I also like how you used 17 exclamation marks in your last 12 sentences. VTEC must really get you excited.
So, since you're the leading expert, what makes VTEC so much better than other VVT technologies?
EDIT: By the way, you forgot "Lift".
Last edited by ddd4114; Jul 1, 2009 at 01:50 PM.


